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ADE3000T 数据表(PDF) 6 Page - STMicroelectronics |
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ADE3000T 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 88 page  Pin Description ADE3XXX 6/88 1.1 Pin Description Sync / Timing Measurement Once an input source is selected, all available information on frequencies and line/pixel counts is measured for the selected source and made available to the MCU. SMEAS 32 Mode Set Once the MCU has determined the matching video mode or calculated a video mode using a GTF algorithm, the datapath is programmed to drive the flat panel. Clock frequencies for the internal memory and datapath are also set at this time. GLBL LLK SRT DMUX SMUX SCALER PNL 13 19 30 42 40 49 48 Autotune When the MCU calls for an autotune, the MCU sets up an iterative loop to search for the best phase, gain, offset, etc. At each step of the loop, the MCU kicks off a test in which the ADE3XXX which performs extensive statistical analysis of the incoming data stream. The results of the analysis are made available to the MCU which is responsible for the optimization algorithm. DMEAS LLK ADC SMUX SRT 47 19 18 40 30 Digital Contrast / Brightness In response to user OSD control, the MCU can program single 8b registers that set brightness and contrast for each color channel independently. SRGB 64 White Point Control In response to user OSD control, the MCU can program three 8b registers that set the white point for the output. SRGB 64 Gamma Adjustment The MCU can program the gamma RAMs to implement 10b accurate color transformations. GAMMA 74 SRGB Control The SRGB block allows simple, intuitive color control with just a few registers. SRGB 64 Pattern Generation For production testing, the ADE3XXX can be programmed by the MCU to output a wide set of test patterns. PGEN 60 Flicker Reduction For smart panel applications, the MCU can set up the flicker detection block to report any correlation with the polarity inversion signal. The MCU can then change the polarity inversion to a non-correlating pattern to eliminate flicker. FLICKER TCON 72 55 HDCP The ADE3XXX contains the BlockCipher and Decryption functions - interactions over DDC are managed by the MCU for maximum flexibility. The MCU models the slow (frame rate, e.g. 60 Hz) authentication handshaking and state machine whereas the ADE3XXX handles the fast (line rate, e.g. 50 kHz) decryption state machine. HDCP 27 Backlight Control The ADE3XXX provides two PWM outputs for direct control of the power components in a typical backlight. The MCU sets up the registers and enables the function. PWM 77 Low Power State To enter a low power state, the MCU can gate of most of the clocks and put the analog blocks into a low power standby state. The DVI block will still report activity in standby, allowing "wake on connection" operation. GLBL 13 Table 2: Pin Description (Sheet 1 of 7) Pin # Name Type Description 1 YUV6 Input TV Video Input Port: Data 6 2 YUV5 Input TV Video Input Port: Data 5 3 YUV4 Input TV Video Input Port: Data 4 4 YUV3 Input TV Video Input Port: Data 3 5 YUV2 Input TV Video Input Port: Data 2 Table 1: ADE3xxx Features (Sheet 2 of 2) Feature Description of ADE3XXX Operation Blocks Used Pages |
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